Gravesendの時間
02:50:28
日の出: 07:50:39 
日没: 15:50:2110:50:28
05:50:28
23:50:28
08:20:28
20:50:28
10:50:28
07:50:28
10:50:28
10:50:28
08:20:28
05:50:28
10:50:28
08:50:28
11:50:28
23:50:28
Gravesendと主要都市の時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8